When a language begins to teem with books, it is tending to refinement; as those who undertake to teach others must have undergone some labour in improving themselves, they set a proportionate value on their own thoughts, and wish to enforce them by efficacious expressions; speech becomes embodied and permanent; different modes and phrases are compared, and the best obtains an establishment. By degrees one age improves upon another.

The Works: Together With His Life, And Notes On His Life Of The Poets (ed. 1787)